Numbers and Titles



Includesautomatic fire sensors, manual initiating devices, and supervisory alarm initiating devices.
28 46 31.11Heat-Sensing Fire Detectors
28 46 31.13Smoke-Sensing Fire Detectors
28 46 31.15Radiant Energy-Sensing Fire Detectors
28 46 31.17Gas-Sensing Fire Detectors
28 46 31.21Multi-Criteria Fire Detectors
28 46 31.23Multi-Sensor Fire Detectors
28 46 31.25Combination Fire Detectors
28 46 31.31Fire-Alarm Manual Initiating Devices
28 46 31.41Fire-Alarm Supervisory Signal Initiating Devices